Alcohol proof is a measure how much of alcohol ( or ethanol ) is contained in a beer ( same as wine, whiskey, etc ). In the US, alcoholic proof is defined as twice the percentage ( in the UK percentage times 1.75 ).Therefore: 5 * 2 = 10 ( or: 5 * 1.75 = 8.75 ).Answer: It would have a proof of 10.
